orotund

If the reviews of your concert describe your singing as orotund, you can pop open the champagne — your reviewers have noticed your full, rich sound.

On the other hand, if you've just given a speech and the TV commentators ridicule it as orotund, moralistic, and meaningless, you might want to drop out of sight for a few weeks. You've been called out for your pompous, self-important style. Orotund comes from the Latin word ore, "mouth," and rotundo, "make round." So orotund sounds are what you make with a rounded mouth, which is good if you're singing, but pretentious if you're not.

Definitions of orotund
1

adj ostentatiously lofty in style

Synonyms:
bombastic, declamatory, large, tumid, turgid
rhetorical
given to rhetoric, emphasizing style at the expense of thought

adj (of sounds) full and rich

orotund tones”
Synonyms:
pear-shaped, rotund, round
full
(of sound) having marked deepness and body

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